Demystifying Accessibility

@anarafaelaferro

Google DevFest Leiria 2019

@deemazesoftware

Rafaela

Balu

#1

It only benefits a small range of people.

An illness, injury, or condition that makes it difficult for someone to do the things that other people do.

DISABILITY

/ˌdɪs.əˈbɪl.ə.t̬i/

Permanent

Temporary

Situational

Permanent

Temporary

Situational

Permanent

Temporary

Situational

≈ 15% of the world population

and growing!

Usability

Accessibility

Takeaways

.i

Anyone can gain a disability, and very likely will.

Takeaways

.ii

When you build for accessibility, everyone benefits.

#1

It only benefits a small range of people.

#2

It's the developers' job.

.i

Color.

cssstats.com

Your email

Next

Your name

Doggo ipsum snoot borking doggo dat tungg tho doggorino borkdrive, maximum borkdrive borkdrive.

Your email

Your name

John Doe

johndoe@mail.com

Your email

my@email

Your email

my@email

Next

Next

Your name

Rafaela Ferro

Your name

Rafaela Ferro

This email is not valid.

This email is not valid.

.i

Color.

✅ Run your palette through a contrast checker

🙅‍♀️ Highlight important content

🙅‍♀️ Provide feedback

🔁 Check again

🙅‍♀️ Hint interactivity

.ii

Label content and controls.

Group of people

See team members

Open all options of mobile menu

Open menu

.iii

Design for different types of interaction.

* {
   outline: none;
}

What's focusable?

▪︎  Links

▪︎  Buttons

▪︎  Form fields

▪︎  Menu items

▪︎  Widgets

▪︎  Things triggered by hover, like tooltips

It must stand out.

1

Complement shape and size of element

2

Doesn't have to be the same for all the elements.

3

#2

It's the developers' job.

#3

It's the
designers' job.

.i

Know your HTML elements.

<header>
<main>
<footer>
<nav>
<aside> 
<h>
<...>
<a>
<button>
<input>
!= <div>

.ii

Logical tab order.

✓ Focusable

✗ Not focusable

.iii

Support different types of interactions.

tabindex = 0
keyboard events
+
custom labels
+

.iv

Focus management.

tabindex = -1
e.focus();
+

.iii   +   .iv

Focus management.

WAI-ARIA Authoring Practices

.v

Continuous Integration.

#3

It's the
designers' job.

#4

It's an extra-mile.

Useless    &   Expensive

Takeaways

.i

Designing for accessibility doesn't add extra features or content.

Takeaways

.ii

Most challenges are solved by following good practices.

Takeaways

.iii

Business benefits.

Better search result, larger audience, SEO friendly, faster download times, good usability, good coding practices.

Useless    &   Expensive

Takeaways

.iv

It's our duty.

#4

It's an extra-mile.

How?

.i

Get educated.

.ii

Start early.

.iii

Identify key user journeys in your product. Start now.

.iv

Communicate with your team and community.

.v

Test it with real people, with real disabilities.

rafaelaferro.com

@anarafaelaferro

Thank you!

Demystifying Accessibility

By Ana Rafaela Ferro

Demystifying Accessibility

Slides for GDG Leiria 2019.

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